:root{--bg:#f7f6f2;--surface:#fffdfa;--text:#242321;--muted:#77716a;--ink:#161513;--border:#dfdbd2;--border-strong:#b8b1a6;--grid:#cfc8bd;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100svh;margin:0}button,input{font:inherit}a{text-underline-offset:.16em}.app-shell{width:min(100%,980px);margin:0 auto;padding:32px 20px 24px}.locale-row{justify-content:flex-start;gap:6px;margin-bottom:22px;display:flex}.locale-button{border:1px solid var(--border);min-height:36px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;padding:0 12px;font-size:13px;font-weight:700}.locale-button.is-active{color:#fff;background:var(--ink);border-color:var(--ink)}.app-header{justify-content:center;margin-bottom:16px;display:flex}.search-form{gap:0;display:grid;position:relative}.search-row{gap:10px;display:flex}.search-row input,.search-row button{border:1px solid var(--border);height:58px;font:inherit;border-radius:8px}.search-row input{width:224px;color:var(--text);background:var(--surface);text-align:center;padding:0 16px;font-size:34px}.notice{z-index:2;border:1px solid var(--border);width:max-content;max-width:min(76vw,360px);color:var(--text);background:var(--surface);text-align:center;border-radius:8px;margin:0;padding:8px 12px;font-size:13px;font-weight:700;line-height:1.35;position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 8px 22px #1615131f}.search-row button{color:#fff;background:var(--ink);cursor:pointer;place-items:center;width:58px;min-width:58px;padding:0;display:inline-grid}.search-row button:hover{background:#343434}.search-row button svg{fill:currentColor;width:25px;height:25px}.tool-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-bottom:28px;display:flex}.tool-button{border:1px solid var(--border-strong);min-height:46px;color:var(--text);background:var(--surface);cursor:pointer;border-radius:999px;padding:0 16px;font-size:15px;font-weight:700}.tool-button.is-active{color:#fff;background:var(--ink);border-color:var(--ink)}.tool-button:disabled{color:#aaa39a;cursor:not-allowed;background:#ece8e0}.viewer-layout{grid-template-columns:minmax(280px,560px) minmax(220px,1fr);align-items:start;gap:28px;display:grid}.viewer-layout.is-board-only{grid-template-columns:minmax(280px,860px);justify-content:center}.board-wrap{position:relative}.kanji-board{aspect-ratio:1;border:1px solid var(--border-strong);background:var(--surface);touch-action:auto;width:100%;display:block;overflow:visible}.kanji-board.is-multi-character.is-stacked{width:auto;max-width:100%;max-height:calc(100svh - 214px);margin:0 auto}.kanji-board.is-practice{cursor:crosshair;touch-action:none;overscroll-behavior:none;-webkit-user-select:none;user-select:none}.is-practice-scroll-locked{overscroll-behavior:none}.guide-line{stroke:var(--grid);stroke-width:.7px;vector-effect:non-scaling-stroke}.guide-divider{stroke:var(--border-strong);stroke-width:1px}.stroke{fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:3.2px}.stroke-bg{stroke:#ddd}.stroke-active{stroke:#c63d32;visibility:hidden}.stroke-active.stroke-ready{visibility:visible}.stroke-active.stroke-done{stroke:var(--ink)}.stroke-label{pointer-events:none}.stroke-label circle{fill:var(--surface);stroke:var(--ink);stroke-width:.7px}.stroke-label text{fill:var(--ink);text-anchor:middle;dominant-baseline:middle;font-size:5px;font-weight:700}.practice-line{fill:none;stroke:#2f70b7;stroke-linecap:round;stroke-linejoin:round;stroke-width:4.2px;opacity:.72;pointer-events:none}.status{color:var(--muted);text-align:center;background:#ffffffd1;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.status-error{color:#a12d27}.info-panel{border-top:2px solid var(--ink);text-align:left;padding-top:16px}.character{color:var(--ink);margin-bottom:18px;font-size:72px;line-height:1}.info-panel dl{gap:14px;margin:0;display:grid}.info-panel dl>div{border-bottom:1px solid var(--border);grid-template-columns:86px 1fr;gap:12px;padding-bottom:14px;display:grid}.info-panel dt{color:var(--muted);text-transform:uppercase;font-size:13px;font-weight:700}.info-panel dd{color:var(--text);overflow-wrap:anywhere;margin:0}.credits{color:var(--muted);text-align:center;margin-top:28px;font-size:13px;line-height:1.55}.credits a{color:var(--ink)}@media (width<=760px){.app-shell{padding:8px 10px 14px}.locale-row{justify-content:center;gap:4px;margin-bottom:8px}.locale-button{min-height:30px;padding:0 10px;font-size:12px}.app-header{margin-bottom:8px}.search-form{gap:0}.search-row{justify-content:center;gap:8px}.search-row input,.search-row button{border-radius:7px;height:46px}.search-row input{width:min(210px,100vw - 86px);padding:0 10px;font-size:28px}.search-row button{width:46px;min-width:46px;padding:0}.search-row button svg{width:21px;height:21px}.tool-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:6px;margin-bottom:10px;display:grid}.tool-button{white-space:nowrap;min-height:36px;padding:0 9px;font-size:12px}.viewer-layout{grid-template-columns:1fr;gap:14px}.kanji-board{width:min(100%,100svh - 176px);margin:0 auto}.character{margin-bottom:10px;font-size:42px}.info-panel{padding-top:10px}.info-panel dl{gap:8px}.info-panel dl>div{grid-template-columns:78px 1fr;gap:8px;padding-bottom:8px}.credits{margin-top:14px}}